I have a PhD in immunology and this is how I keep my daughter from getting sick during the winter

Business Insider Nov 2019

Vitamin D,   Omega-3,   Probiotics,   Tumeric,   Elderberry

Note: The first 4 items have been proven to increased the amount of Vitamin D which gets to the cells

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See also VitaminDWiki

• Common cold prevented and treated by Vitamin D, Vitamin C, Zinc, and Echinacea – review April 2018
• Review of common cold (42 billion dollars) prevention and treatment - Zinc works – Feb 2014
• Common cold (Acute Rhinosinusitis) virually non-existant when Vitamin D is above 50 ng – Oct 2015
• Overview Colds and flu and Vitamin D

Flu has the following

Vitamin D fights all phases of Influenza

• FACT: Vitamin D PREVENTS Influenza 7X lower risk
• FACT: Vitamin D SUPRESSES Influenza ( Vitamin D Hammer )
  • Single dose of 50,000 IU of vitamin D stops Influenza symptoms
• FACT: Vitamin D PREVENTS & SUPRESSES Sepsis which is a rare but deadly consequence of Influenza
• FACT: Vitamin D enhances the activity of vaccines.
• FACT: improves Flu vaccine effectiveness and reduces side effects
• FACT: Vitamin D has virtually no side effects
  • but 1 in 300 get people get muscle pain or itching due to lower magnesium levels
• FACT: Vitamin D prevents/suppresses over 120 health problems (left column)
• FACT: Both COVID-19 and Influenza are enveloped viruses
  • Vitamin D can inhibit enveloped virus (e.g. Corona, Herpes, Bird Flu, Epstein, Hepatitis, RSV, etc.) – March 2011
• FACT: Do not take vitamin D if Sarcoidosis, excess Calcium, Chemotherapy
• CONCLUSION To help protect/suppress influenza, take 50,000 IU of Vitamin D once a week
     during the flu season if you are an average weight adult